The curved cleaning edge removes bacteria and soft plaque in seconds! Cleaning your tongue is comfortable, quick and effective. Modern research confirms that tongue cleaning is the best way to remove bacteria that cause bad breath. Tongue cleansing also helps improve taste, remove the coating on the tongue, and slow the growth of plaque. Stainless steel is so effective because it is impervious to bacteria; precurved shape gives precise control; great oral benefits. Used and recommended by dentists and hygienists, Dr. Tung's cleaner is the leading tongue cleaner in the health market.